Dissociatives
Ephenidine
Street names: Ephenidine, NEDPA
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Very long dissociation (8–14 h)
- Sedating, dreamlike hole states
⚠Key risks
- Half-day duration catches users off guard
- NMDA-antagonist organ risk with repeated use
- Confusion and falls
✚Overdose signs
- Hours of unresponsiveness
- Agitation
- High blood pressure
Category comparison — Dissociatives
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Ephenidine | Unscheduled; controlled in parts of the EU | Half-day duration catches users off guard; NMDA-antagonist organ risk with repeated use | ~$30–$60/g online |
| Ketamine | Schedule III | Bladder damage (ketamine cystitis) with regular use; K-holes and accidents while impaired | ~$20–$60 per gram |
| Ketalar (ketamine injection) | Schedule III | IV use raises infection and dependence risk; Bladder harm identical to powder use | ~$30–$100 per vial |
| 2F-DCK (2-fluorodeschloroketamine) | Analogue prosecutions | Very little human safety data; Bladder toxicity assumed similar to ketamine | ~$25–$60 per gram |
| DXM (Dextromethorphan / Robotripping) | OTC | Serotonin syndrome — DXM is serotonergic; DEADLY with SSRIs, MAOIs, MDMA; Liver damage — Coricidin contains chlorpheniramine (antihistamine) that's hepatotoxic at abuse doses | ~$5–$12 per bottle |
| 3-MeO-PCP | Analog prosecution | MANIA and dangerous disinhibition — users hurt themselves/others; Overdose: severe dissociation, catatonia | ~$20–$50/g |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Ephenidine look like?
White powder
What are the signs of a Ephenidine overdose?
Hours of unresponsiveness; Agitation; High blood pressure Call emergency services immediately.
How addictive is it?
Half-day duration catches users off guard Dependence can develop with regular use.